SG47209A1 - Optical pickup device and reproducing apparatus of optical recording medium - Google Patents

Optical pickup device and reproducing apparatus of optical recording medium

Info

Publication number
SG47209A1
SG47209A1 SG1997000136A SG1997000136A SG47209A1 SG 47209 A1 SG47209 A1 SG 47209A1 SG 1997000136 A SG1997000136 A SG 1997000136A SG 1997000136 A SG1997000136 A SG 1997000136A SG 47209 A1 SG47209 A1 SG 47209A1
Authority
SG
Singapore
Prior art keywords
recording medium
reproducing apparatus
pickup device
optical
optical recording
Prior art date
Application number
SG1997000136A
Other languages
English (en)
Inventor
Nobuhiko Ando
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of SG47209A1 publication Critical patent/SG47209A1/en

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0945Methods for initialising servos, start-up sequences
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0941Methods and circuits for servo gain or phase compensation during operation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
SG1997000136A 1996-01-23 1997-01-21 Optical pickup device and reproducing apparatus of optical recording medium SG47209A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP904996 1996-01-23
JP8237041A JPH09265639A (ja) 1996-01-23 1996-09-06 光学ピックアップ装置

Publications (1)

Publication Number Publication Date
SG47209A1 true SG47209A1 (en) 1998-03-20

Family

ID=26343702

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1997000136A SG47209A1 (en) 1996-01-23 1997-01-21 Optical pickup device and reproducing apparatus of optical recording medium

Country Status (4)

Country Link
US (1) US5923633A (de)
EP (1) EP0786766A3 (de)
JP (1) JPH09265639A (de)
SG (1) SG47209A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3033693B2 (ja) * 1996-09-13 2000-04-17 日本電気株式会社 光ヘッド装置
JP4925153B2 (ja) * 2001-08-10 2012-04-25 大和製罐株式会社 印刷済みフィルム貼着缶体の製造方法
KR20030075794A (ko) * 2002-03-20 2003-09-26 엘지전자 주식회사 광디스크 장치에서의 서보동작 제어방법
US7502338B1 (en) 2003-12-19 2009-03-10 Apple Inc. De-emphasis training on a point-to-point connection
US20050231358A1 (en) * 2004-04-19 2005-10-20 Company Steven L Search engine for singles with (GPS) position data
US8483108B2 (en) * 2006-07-24 2013-07-09 Apple Inc. Apparatus and methods for de-emphasis training on a point-to-point connection

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4757492A (en) * 1984-12-26 1988-07-12 Kabushiki Kaisha Toshiba Method for recording and reproducing information on or from an optical recording medium
JPH0770065B2 (ja) * 1988-04-20 1995-07-31 シャープ株式会社 光ピックアップ装置
JPH0682989A (ja) * 1992-08-31 1994-03-25 Pioneer Electron Corp 光記録媒体の記録・再生・消去方法
DE4330794C2 (de) * 1992-09-10 1999-12-23 Toshiba Kawasaki Kk Optische Kopfvorrichtung zur Verwendung in einer optischen Aufzeichnungs- und Schreib/Lesevorrichtung
US5513164A (en) * 1992-09-11 1996-04-30 Kabushiki Kaisha Toshiba Optical recording and reproducing apparatus
JP2532818B2 (ja) * 1993-02-01 1996-09-11 松下電器産業株式会社 対物レンズおよび光ヘッド装置
JP2776207B2 (ja) * 1993-08-09 1998-07-16 松下電器産業株式会社 光情報再生方法
WO1996028816A2 (en) * 1995-03-15 1996-09-19 Philips Electronics N.V. Device for optically scanning a recording medium

Also Published As

Publication number Publication date
EP0786766A2 (de) 1997-07-30
JPH09265639A (ja) 1997-10-07
US5923633A (en) 1999-07-13
EP0786766A3 (de) 2001-05-02

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